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Diffstat (limited to 'src/corelib/arch/symbian/qt_hybridheap_symbian_p.h')
| -rw-r--r-- | src/corelib/arch/symbian/qt_hybridheap_symbian_p.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/corelib/arch/symbian/qt_hybridheap_symbian_p.h b/src/corelib/arch/symbian/qt_hybridheap_symbian_p.h new file mode 100644 index 0000000000..d1ce7056f4 --- /dev/null +++ b/src/corelib/arch/symbian/qt_hybridheap_symbian_p.h @@ -0,0 +1,178 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QT_HYBRIDHEAP_SYMBIAN_H +#define QT_HYBRIDHEAP_SYMBIAN_H + +#include <qglobal.h> +#include <e32cmn.h> + +#if !defined(__SYMBIAN_KERNEL_HYBRID_HEAP__) && !defined(__WINS__) +//Enable the (backported) new allocator. When it is available in OS, +//this flag should be disabled for that OS version onward +#define QT_USE_NEW_SYMBIAN_ALLOCATOR +#endif + +#ifdef QT_USE_NEW_SYMBIAN_ALLOCATOR + +#ifdef Q_CC_RVCT +#pragma push +#pragma arm +#pragma Otime +#pragma O2 +#endif + +#include "common_p.h" +#ifdef QT_SYMBIAN_HAVE_U32STD_H +#include <u32std.h> +#endif +#ifdef QT_SYMBIAN_HAVE_E32BTRACE_H +#include <e32btrace.h> +// enables btrace code compiling into +#define ENABLE_BTRACE +#endif +#ifdef __KERNEL_MODE__ +#include <kernel/kern_priv.h> +#endif +#include "dla_p.h" +#ifndef __KERNEL_MODE__ +#include "slab_p.h" +#include "page_alloc_p.h" +#endif +#include "heap_hybrid_p.h" + +// disabling Symbian import/export macros to prevent heap_hybrid.cpp, copied from Symbian^4, from exporting symbols in arm builds +// this minimises the code changes to heap_hybrid.cpp to ease future integration +#undef UEXPORT_C +#define UEXPORT_C +#undef EXPORT_C +#define EXPORT_C +#undef IMPORT_D +#define IMPORT_D + +// disabling code ported from Symbian^4 that we don't want/can't have in earlier platforms +#define QT_SYMBIAN4_ALLOCATOR_UNWANTED_CODE + +#if defined(SYMBIAN_VERSION_9_1) || defined(SYMBIAN_VERSION_9_2) || defined(SYMBIAN_VERSION_9_3) || defined(SYMBIAN_VERSION_9_4) || defined(SYMBIAN_VERSION_SYMBIAN2) +#define NO_NAMED_LOCAL_CHUNKS +#endif + +// disabling the BTrace components of heap checking macros +#ifndef ENABLE_BTRACE +inline int noBTrace() {return 0;} +#define BTraceContext12(a,b,c,d,e) noBTrace() +#endif + +// declare ETHeapBadDebugFailParameter, where missing +#define ETHeapBadDebugFailParameter ((TCdtPanic)213) + +#ifndef QT_SYMBIAN_HAVE_U32STD_H +struct SThreadCreateInfo + { + TAny* iHandle; + TInt iType; + TThreadFunction iFunction; + TAny* iPtr; + TAny* iSupervisorStack; + TInt iSupervisorStackSize; + TAny* iUserStack; + TInt iUserStackSize; + TInt iInitialThreadPriority; + TPtrC iName; + TInt iTotalSize; // Size including any extras (must be a multiple of 8 bytes) + }; + +struct SStdEpocThreadCreateInfo : public SThreadCreateInfo + { + RAllocator* iAllocator; + TInt iHeapInitialSize; + TInt iHeapMaxSize; + TInt iPadding; // Make structure size a multiple of 8 bytes + }; + +class TChunkCreate + { +public: + // Attributes for chunk creation that are used by both euser and the kernel + // by classes TChunkCreateInfo and SChunkCreateInfo, respectively. + enum TChunkCreateAtt + { + ENormal = 0x00000000, + EDoubleEnded = 0x00000001, + EDisconnected = 0x00000002, + ECache = 0x00000003, + EMappingMask = 0x0000000f, + ELocal = 0x00000000, + EGlobal = 0x00000010, + EData = 0x00000000, + ECode = 0x00000020, + EMemoryNotOwned = 0x00000040, + + // Force local chunk to be named. Only required for thread heap + // chunks, all other local chunks should be nameless. + ELocalNamed = 0x000000080, + + // Make global chunk read only to all processes but the controlling owner + EReadOnly = 0x000000100, + + // Paging attributes for chunks. + EPagingUnspec = 0x00000000, + EPaged = 0x80000000, + EUnpaged = 0x40000000, + EPagingMask = EPaged | EUnpaged, + + EChunkCreateAttMask = EMappingMask | EGlobal | ECode | + ELocalNamed | EReadOnly | EPagingMask, + }; +public: + TUint iAtt; + TBool iForceFixed; + TInt iInitialBottom; + TInt iInitialTop; + TInt iMaxSize; + TUint8 iClearByte; + }; + +#endif // QT_SYMBIAN_HAVE_U32STD_H + +#endif /* QT_USE_NEW_SYMBIAN_ALLOCATOR */ + +#endif /* QT_HYBRIDHEAP_SYMBIAN_H */ |